body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.expense-tracker {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    width: 100%;
}

h1, h2, h3 {
    text-align: center;
}

.balance {
    margin-bottom: 20px;
}

#balance {
    font-size: 2rem;
    margin-top: 10px;
}

/* Align the list item content with Bootstrap classes */
.list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    font-size: 1.1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
}

.list-group-item span {
    font-weight: bold;
    color: inherit;
    text-align: right;
    min-width: 150px; /* Increase this width to ensure large numbers align properly */
    display: inline-block;
}

.list-group-item .delete-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

.list-group-item .delete-btn:hover {
    background: #c82333;
}

.list-group-item.plus span {
    color: green;
}

.list-group-item.minus span {
    color: red;
}

/* Limit history to 5 rows and enable scrolling if more */
#list {
    max-height: 350px; /* Adjust height for 5 rows */
    overflow-y: auto;
    padding: 0;
}

#list::-webkit-scrollbar {
    width: 6px;
}

#list::-webkit-scrollbar-thumb {
    background-color: #007bff;
    border-radius: 10px;
}

#list::-webkit-scrollbar-track {
    background-color: #f4f4f4;
}